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Circulatory System and Cardiovascular Health Quiz

#1

Which of the following is not a component of the circulatory system?

Kidneys
Explanation

Kidneys are part of the urinary system, not the circulatory system.

#2

What is the main function of red blood cells in the circulatory system?

Transport oxygen
Explanation

Red blood cells carry oxygen to body tissues and organs.

#3

What is the average adult human heart rate at rest?

60-80 beats per minute
Explanation

The normal resting heart rate for adults is 60-80 beats per minute.

#4

Which chamber of the heart pumps oxygenated blood to the rest of the body?

Left ventricle
Explanation

The left ventricle pumps oxygenated blood to the body's organs and tissues.

#5

Which blood vessel carries oxygen-rich blood from the lungs to the heart?

Pulmonary vein
Explanation

The pulmonary vein transports oxygen-rich blood from the lungs to the heart.

#6

What is the role of platelets in the circulatory system?

Clotting blood
Explanation

Platelets are crucial for blood clotting, preventing excessive bleeding.

#7

Which of the following is a risk factor for cardiovascular disease?

High blood pressure
Explanation

High blood pressure increases the risk of heart disease and stroke.

#8

What is the medical term for a heart attack?

Myocardial infarction
Explanation

A heart attack is a myocardial infarction, causing damage to heart tissue.

#9

What is the medical term for high blood pressure?

Hypertension
Explanation

Hypertension is the medical term for high blood pressure.

#10

Which of the following is a function of the cardiovascular system?

Transporting nutrients
Explanation

The cardiovascular system transports nutrients, oxygen, and hormones throughout the body.

#11

Which of the following is a symptom of a stroke?

Sudden weakness or numbness in the face or limbs
Explanation

Sudden weakness or numbness in the face or limbs is a common symptom of a stroke.

#12

What is the medical term for the condition commonly known as a 'mini-stroke'?

Transient ischemic attack (TIA)
Explanation

A transient ischemic attack (TIA) is often referred to as a 'mini-stroke,' causing temporary disruption of blood flow to the brain.

#13

Which of the following is not a type of blood vessel?

Bronchus
Explanation

Bronchus is part of the respiratory system, not the circulatory system.

#14

What is the condition in which fatty deposits accumulate in arteries, reducing blood flow?

Atherosclerosis
Explanation

Atherosclerosis is the buildup of fatty deposits in arteries, limiting blood flow.

#15

Which of the following is a function of the lymphatic system?

Removing waste and toxins from tissues
Explanation

The lymphatic system helps remove waste and toxins from tissues, maintaining fluid balance.

#16

What is the term for the cessation of heartbeat and cardiac function?

Cardiac arrest
Explanation

Cardiac arrest refers to the stopping of the heart's pumping action and blood circulation.

#17

Which of the following blood components is responsible for transporting oxygen and carbon dioxide?

Red blood cells
Explanation

Red blood cells transport oxygen from the lungs to body tissues and carry carbon dioxide back to the lungs for exhalation.

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